CN110221208A - Generator performance detection system and detection method based on automotive engine test bench - Google Patents
Generator performance detection system and detection method based on automotive engine test bench Download PDFInfo
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- CN110221208A CN110221208A CN201910614288.4A CN201910614288A CN110221208A CN 110221208 A CN110221208 A CN 110221208A CN 201910614288 A CN201910614288 A CN 201910614288A CN 110221208 A CN110221208 A CN 110221208A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
- G01R31/34—Testing dynamo-electric machines
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Abstract
The present invention provides a kind of generator performance detection system and Generator test methods, generator performance detection system includes engine and generator to be tested, engine is loaded on automotive engine test bench, generator fills on the engine, Generator test element and power generation mechatronics, rack monitoring system is electrically connected with Generator test element, rack monitoring system is equipped with display screen, Generator test element is adapted for receiving the electric discharge electric signal of generator, and received electric discharge electric signal is fed back into rack monitoring system, rack monitoring system is configured to the electric discharge electric signal fed back according to Generator test element and generates detection information, and display output is carried out to detection information via display screen.The generator performance detection system that this programme provides, it is simple structure and reasonable design, easy for installation, and can by detection generator discharge electric signal accurate judgement generator whether failure, be conducive to the ex factory pass rate of raising generator.
Description
Technical field
The present invention relates to automotive engine test bench fields, in particular to a kind of hair based on automotive engine test bench
Motor performance detection system and a kind of Generator test method.
Background technique
The engine that engine producer produces oneself at present has stringent factory testing process, to guarantee that engine is each
Item performance indicator and components are working properly.
But existing automotive engine test bench will not carry out factory testing to all engine components, and such as: hair
Motor.Main power source of the generator as vehicle, in vehicle work, generator gives all vehicle electric power supplies, gives simultaneously
Battery charging.Can the quality of generator directly affects vehicle continue to work normally.Function detection is not carried out in generator
In the state of directly dispatch from the factory, be assembled on vehicle, not can guarantee generator can also normal power generation.For this situation, if whole
Effective data and report cannot be taken out to prove by occurring the sick engine producer that generator does not generate electricity in vehicle debugging process
Generator is normally, to considerably increase generator inoperable risk and engine manufacture on vehicle in this way before factory
The after cost of quotient.
Summary of the invention
At least one in order to solve the above-mentioned technical problem, it is an object of the present invention to provide one kind to be surveyed based on engine
The generator performance detection system of test stand frame.
It is another object of the present invention to provide a kind of for the above-mentioned generator performance based on automotive engine test bench
The Generator test method of detection system.
To achieve the above object, the embodiment of first aspect present invention provides a kind of hair based on automotive engine test bench
Motor performance detection system, including engine and generator to be tested, the engine is loaded on automotive engine test bench, described
Generator is on the engine, the generator performance detection system further include: Generator test element, with the power generation
Mechatronics；Rack monitoring system is electrically connected with the Generator test element, and the rack monitoring system is equipped with display screen；
The Generator test element is adapted for receiving the electric discharge electric signal of the generator, and the received electric discharge electric signal is anti-
It is fed to the rack monitoring system；Described in the rack monitoring system is configured to be fed back according to the Generator test element
The electric signal that discharges generates detection information, and carries out display output to the detection information via the display screen.
Engine is loaded on automotive engine test bench by the generator performance detection system that the above embodiment of the present invention provides
On, generator is electrically connected to Generator test element, and the electric discharge electric signal of Generator test element testing generator is simultaneously fed back to
Rack monitoring system, rack monitoring system generate detection information, display display detection letter according to the electric discharge electric signal received
It ceases, for judging whether generator powers normally using indicator light in more existing engine bench test, this programme puts generator
Electric electric signal monitors and digitizes display in real time, and the specific works of generator are determined by the detection information of analysis generator
Can, for example, determining the stability of its output voltage by the voltage value of analysis generator, staff is judged by detection information
Whether generator failure and in time overhauls fault generator, effectively improves the yields of generator, and this programme believes detection
Breath carries out record backup, and to prove fault-free before generator dispatches from the factory, engine is manufactured when something goes wrong after avoiding generator from dispatching from the factory
Quotient can not prove one's own innocence, to sum up, the generator performance detection system that this programme provides, simple structure and reasonable design, installation
It is convenient, and can accurate judgement generator whether failure, be conducive to the ex factory pass rate for improving generator.
In addition, the generator performance detection system according to the above embodiment of the present invention based on automotive engine test bench, also
It can have following additional technical characteristic:
In above-mentioned technical proposal, Generator test element includes current sensor and voltage sensor, the current sense
Device is adapted for detecting the discharge current signal of the generator, and the voltage sensor is adapted for detecting the electric discharge of the generator
Voltage signal, the current sensor and the voltage sensor are electrically connected with the rack monitoring system respectively.
In the present solution, current sensor detects the discharge current signal of generator, voltage sensor detects the power generation
The discharge voltage signal of machine, in this way, whether staff judges generator by the current value and voltage value of analysis generator
Failure, testing result is more acurrate, and staff can pass through the more rapid determining hair of the voltage and current values detected
The failure cause of motor is conducive to subsequent maintenance.
In above-mentioned technical proposal, Generator test element further includes current divider, the current divider, the voltage sensor and
The generator series connection, the potential end of the current divider connect the current sensor.
In the present solution, current divider potential end connect current sensor, effectively expanded using current divider electric current biography
Sensor detects the range of electric current, avoids the risk for causing current sensor breakdown because the electric current that generator generates is excessive, mentions
The safety and reliability of the Supreme People's Procuratorate's examining system.
In any of the above-described technical solution, the generator performance detection system include storage battery power supply circuit and be set to store
Battery and first switch on battery current supply circuit, the first switch are used to control the connection in the storage battery power supply circuit
And disconnection, the anode of the battery correspond to the cathode output end of the generator, the cathode of the battery corresponds to the hair
The negative input of motor.
In the present solution, first switch controls the connection and disconnection in storage battery power supply circuit, closure first switch, battery
It being connected between generator, generator can charge a battery, and disconnect first switch, and battery is separated with generator,
Generator stopping charges a battery, and circuit structure is simple, and controls more convenient.
In above-mentioned technical proposal, the generator performance detection system includes that diode indicates circuit and set on described two
Pole pipe indicates the diode and indicator light on circuit, and the both ends in diode instruction circuit are separately connected storage battery power supply circuit
With the generator, the cathode of the diode corresponds to the excitation end of the generator, and the battery and first switch are located at
Between the negative input of the intersection and the generator in the diode instruction circuit and the storage battery power supply circuit.
In the present solution, battery-diode-indicator light-generator excitation end is formed into a loop, be closed first switch,
With using battery to generator charging so that generator generate exciting current, using rack battery start generator, and
External power supply is no longer needed to generator powered to start generator, reduces the component of circuit, so that circuit is simpler, is connected more square
Just, and after generator starting, due to generator excitation end to diode direction be negative sense, so generator excitation end is to electric power storage
The circuit in the direction in pond disconnects, and generator can only be charged from cathode output end to battery at this time, so that generator performance detects
System starts generator to generator powered from battery automatically and is converted to from generator to battery charging to detect power generation
Machine whether failure, circuit structure is simple, and control is more convenient, realizes automatic detection, and indicator light is connected on diode and power generation
Between machine, when battery flows to generator powered to start generator, indicator light is lighted, after generator is activated, generator
It charges a battery, at this time because the effect of diode, indicator light knock out, if generator breaks down and makes generator can not
It charges to battery, then circuit is still kept from battery to generator powered, then indicator light lights always, in this way, passing through finger
Show lamp whether light can judge rapidly generator whether failure, to improve the efficiency of detection.
In above-mentioned technical proposal, generator performance detection system further includes load supplying circuit and returns set on load supplying
The load of road and second switch, the second switch are used to control the connection and disconnection in load supplying circuit, and the load supplies
The anode of one end connection battery of electrical circuit and the cathode output end of the generator, the other end in the load supplying circuit
Connect the cathode of battery and the negative input of the generator.
In the present solution, during generator charges a battery, generator is can be realized to negative in closure second switch
The power supply of load is closed second switch when generator does not work, and realizes power supply of the battery to load, ensure that battery
Charge and discharge, while the electric energy of generator and battery can also be made full use of, the power consumption of load is saved, and then reduce rack
Energy consumption.
In above-mentioned technical proposal, the load includes rack fan and/or rack lamp.
The embodiment of second aspect of the present invention provides a kind of generator performance detection side based on automotive engine test bench
Method, described detection method includes the following steps:
Step 10, pass through the engine start generator on automotive engine test bench；
Step 20, the electric discharge electric signal of generator is obtained；
Step 30, detection information is generated according to the electric discharge electric signal, and via the display screen of rack monitoring system to institute
It states detection information and carries out display output；
Step 40, according to the detection information judge the generator whether failure；
Wherein, engine is loaded on automotive engine test bench, and the generator is on the engine, the engine
The rack monitoring system with display screen, Generator test element and the power generation mechatronics are additionally provided on testboard bay, it is described
Rack monitoring system is electrically connected with the Generator test element.
The detection method that the above embodiment of the present invention provides, is electrically connected to generator for engine to be detected and generator
Performance detecting system, the electric discharge electric signal of Generator test element testing generator simultaneously feed back to rack monitoring system, rack prison
Control system generates detection information according to the electric discharge electric signal received, and display shows detection information, more existing engine bench test
For middle utilization indicator light judges whether generator powers normally, this programme is monitored in real time and is counted to the electric discharge electric signal of generator
Wordization display, the specific works performance of generator is determined by the detection information of analysis generator, for example, passing through analysis generator
Voltage value determine the stability of its output voltage, staff by detection information judge generator whether failure and right in time
Fault generator maintenance, effectively improves the yields of generator, and this programme carries out record backup to detection information, to prove to send out
Fault-free before Motor Production Test, manufacturers of engines can not prove one's own innocence when something goes wrong after avoiding generator from dispatching from the factory, to sum up,
The generator performance detection system that this programme provides, it is simple structure and reasonable design, easy for installation, and can accurate judgement generator
Whether failure, be conducive to improve generator ex factory pass rate.
It is further comprising the steps of before the step 10 in above-mentioned technical proposal:
Step 50, storage battery power supply circuit is connected, so that the indicator light on diode instruction circuit lights；
The step 10 specifically includes the following steps:
Step 11, pass through generator described in the engine start；
Step 12, according to the indicator light issue signal determine the generator whether failure, wherein if the instruction
The signal that lamp issues is persistently to light, then judges the generator failure, alert simultaneously stops detecting, if the instruction
The signal that lamp issues is to knock out after lighting, and thens follow the steps 20；
Wherein, storage battery power supply circuit is equipped with battery, and diode indicates that circuit is equipped with indicator light and diode, described
The both ends in diode instruction circuit are separately connected the storage battery power supply circuit and the generator, the cathode pair of the diode
The excitation end of the generator is answered, the anode of the diode corresponds to the anode of the battery.
In the present solution, indicator light lights, and generator generates electricity after starting when battery is powered to the excitation end of generator
When, indicator light knocks out, if generator break down and make generator can not normal power generation when, circuit still keep by electric power storage
Pond is to generator powered, then indicator light lights always, if indicator light persistently lights, determines that generator is faulty, without subsequent
Detection, the step of reducing detection, so as to shorten the time of judgement, in this way, whether lighting and can judge rapidly by indicator light
Have generator whether failure, to improve the efficiency of detection.
In above-mentioned technical proposal, the electric discharge electric signal includes discharge current signal and discharge voltage signal.
In the present solution, electric discharge electric signal includes discharge current signal and discharge voltage signal, in this way, staff passes through
The current value and voltage value of analysis generator come judge generator whether failure, testing result is more acurrate, and staff can
To be conducive to subsequent maintenance by the failure cause of the more rapid determining generator of voltage and current values detected.
Additional aspect and advantage of the invention will become obviously in following description section, or practice through the invention
Recognize.
Detailed description of the invention
Above-mentioned and/or additional aspect of the invention and advantage will become from the description of the embodiment in conjunction with the following figures
Obviously and it is readily appreciated that, in which:
Fig. 1 shows the schematic diagram of generator performance detection system according to an embodiment of the invention；
Fig. 2 shows the structural schematic diagrams of automotive engine test bench according to an embodiment of the invention；
Fig. 3 shows the flow diagram of Generator test method according to an embodiment of the invention；
Fig. 4 shows the testing principle schematic block of generator performance detection system according to an embodiment of the invention
Figure.
Wherein, the appended drawing reference in Fig. 1 to Fig. 4 and the corresponding relationship between component names are as follows:
1 generator, G (1/2) battery, 3 display screens, 4 loads, 5 cathode output ends, 6 excitation ends, 7 negative inputs,
SA6 first switch, SA second switch, D1 diode, L1 indicator light, B1 voltage sensor, B2 current sensor, B3 current divider,
L2 rack lamp.
Specific embodiment
To better understand the objects, features and advantages of the present invention, with reference to the accompanying drawing and specific real
Applying mode, the present invention is further described in detail.It should be noted that in the absence of conflict, the implementation of the application
Feature in example and embodiment can be combined with each other.
In the following description, numerous specific details are set forth in order to facilitate a full understanding of the present invention, still, the present invention may be used also
To be implemented using other than the one described here other modes, therefore, protection scope of the present invention is not by described below
Specific embodiment limitation.
Referring to the Fig. 1 to Fig. 4 description power generation based on automotive engine test bench described according to some embodiments of the invention
Machine performance detecting system.
As depicted in figs. 1 and 2, the generator based on automotive engine test bench that the embodiment of first aspect present invention provides
Performance detecting system, comprising: Generator test element and rack monitoring system.
Specifically, generator performance detection system includes engine and generator to be tested 1, and engine is surveyed loaded on engine
On test stand frame, generator 1 is filled on the engine, and 1 detecting element of generator is electrically connected with generator 1, rack monitoring system and hair
The electrical connection of 1 detecting element of motor, rack monitoring system are equipped with display screen 3, and Generator test element is adapted for receiving generator 1
Discharge electric signal, and received electric discharge electric signal is fed back to rack monitoring system, and rack monitoring system is configured to according to power generation
The electric discharge electric signal that machine testing element is fed back generates detection information, and carries out display output to detection information via display screen 3.
Engine is loaded on automotive engine test bench by the generator performance detection system that the above embodiment of the present invention provides
On, generator 1 is electrically connected to generator performance detection system element, the electric discharge telecommunications of Generator test element testing generator 1
Number and feed back to rack monitoring system, rack monitoring system generates detection information, display according to the electric discharge electric signal received
Show detection information, for judging whether generator 1 powers normally using indicator light L1 in more existing engine bench test, this programme
It monitors and digitizes display in real time to the electric discharge electric signal of generator 1, generator is determined by the detection information of analysis generator 1
1 specific works performance, for example, determining the stability of its output voltage by the voltage value of analysis generator 1, staff is logical
Cross detection information judge generator 1 whether failure and in time to fault generator 1 overhaul, effectively improve the yields of generator 1,
And this programme carries out record backup to detection information, to prove that generator 1 dispatches from the factory preceding fault-free, goes out after avoiding generator 1 from dispatching from the factory
Manufacturers of engines can not prove one's own innocence when existing problem, to sum up, the generator performance detection system that this programme provides, structure
Simply, design it is reasonable, easy for installation, and can accurate judgement generator 1 whether failure, the factory for being conducive to improve generator 1 closes
Lattice rate.
In one embodiment of the invention, as depicted in figs. 1 and 2, Generator test element includes current sensor B2
And voltage sensor B1, current sensor B2 are adapted for the discharge current signal of detection generator 1, voltage sensor B1 is adapted for
The discharge voltage signal of generator 1 is detected, current sensor B2 and voltage sensor B1 are electrically connected with rack monitoring system respectively.
For example, Generator test element rack monitoring system includes being adapted to the transmission channel of sensor, be will test
Electric discharge electric signal feeds back to transmission channel, and specifically, electric current transmission channel is adapted to current sensor B2, voltage transmission path adaptation
Voltage, the electric discharge electric signal that sensor will test feed back to transmission channel, and transmission channel will electric discharge electric signal transmission and basis
The electric signal that discharges generates detection information, and such circuit structure is simple, easy for installation, and guarantees that electric discharge electric signal precisely transmits, and has
Conducive to the accuracy rate for improving detection.
Current sensor B2 detects the discharge current signal of generator 1, and voltage sensor B1 detects the electric discharge electricity of generator 1
Press signal, in this way, staff judged by the current value and voltage value of analysis generator 1 generator 1 whether failure, inspection
Survey result is more acurrate, and staff can pass through the event of the more rapid determining generator 1 of the voltage and current values detected
Hinder reason, is conducive to subsequent maintenance.
In one embodiment of the invention, as depicted in figs. 1 and 2, power generation detecting element further includes current divider B3, is shunted
Device B3, voltage sensor B1 and generator 1 are connected, the potential end connection current sensor B2 current sensor B2 electricity of current divider B3
1 voltage sensor B1 generator 1 of pressure sensor B1 current sensor B2 generator.
The potential end of current divider B3 connects current sensor B2, effectively expands current sensor B2 using current divider B3
The range for detecting electric current avoids the risk for causing current sensor B2 breakdown because the electric current that generator 1 generates is excessive, improves
The safety and reliability of detection system.
In one embodiment of the invention, as depicted in figs. 1 and 2, generator performance detection system includes that battery supplies
Electrical circuit and battery G and first switch SA6 on storage battery power supply circuit, first switch SA6 is for controlling electric power storage
The connection and disconnection of pond current supply circuit, the cathode output end 5 of the corresponding generator 1 of the anode of battery G, the cathode pair of battery G
Answer the negative input 7 of generator 1.
First switch SA6 controls the connection and disconnection in storage battery power supply circuit, is closed first switch SA6, battery G and hair
It is connected between motor 1, generator 1 can charge to battery G, disconnect first switch SA6, the interruption of battery G and generator 1
It opens, generator 1 stops charging to battery G, and circuit structure is simple, and controls more convenient.
In one embodiment of the invention, as shown in Figure 1, Figure 2 and Figure 4, generator performance detection system includes two poles
Pipe indicates that circuit and diode D1 and indicator light L1 on diode instruction circuit, diode indicate the both ends point in circuit
Not Lian Jie storage battery power supply circuit and generator 1, the cathode of diode D1 corresponds to the excitation end 6 of generator 1, battery G and
One switch SA6 be located at diode instruction circuit and storage battery power supply circuit intersection and generator 1 negative input 7 it
Between.
The excitation end 6 of battery G- diode D1- indicator light L1- generator 1 is formed into a loop, and is closed first switch SA6, with
Using battery G to generator 1 charge so that generator 1 generate exciting current, using rack battery G start generator 1,
It powers without external power supply again to generator 1 to start generator 1, reduces the component of circuit, so that circuit is simpler, connection
It is more convenient, and after the starting of generator 1, due to 1 excitation end 6 of generator to the direction diode D1 be negative sense, so generator 1 is encouraged
Magnetic end 6 is disconnected to the circuit in the direction of battery G, and generator 1 can only be charged from cathode output end 5 to battery G at this time, so that
Generator performance detection system is powered automatically from battery G to generator 1 to start generator 1 and be converted to from generator 1 to storage
Battery G charging with detect generator 1 whether failure, circuit structure is simple, and control is more convenient, realizes automatic detection, and indicate
Lamp L1 is connected between diode D1 and generator 1, when battery G flows to the power supply of generator 1 to start generator 1, instruction
Lamp L1 is lighted, and after generator 1 is activated, generator 1 charges to battery G, at this time because of the effect of diode D1, indicator light L1
It knocks out, if generator 1 breaks down and generator 1 is made to charge without normal direction battery G, circuit is still kept by battery G
It powers to generator 1, then indicator light L1 is lighted always, in this way, whether lighted by indicator light L1 can judge rapidly to generate electricity
Machine 1 whether failure, to improve the efficiency of detection.
In one embodiment of the invention, as depicted in figs. 1 and 2, generator performance detection system further includes that load supplies
Electrical circuit and load 4 and second switch SA on load supplying circuit, second switch SA are returned for controlling load supplying
The connection and disconnection on road, the anode of one end connection battery G in load supplying circuit and the cathode output end 5 of generator 1, load
The cathode of the other end connection battery G of current supply circuit and the negative input 7 of generator 1.
In generator 1 in battery G charging process, it is closed second switch SA, 1 pair of generator load 4 can be realized
Power supply is closed second switch SA when generator 1 does not work, and realizes power supply of the battery G to load 4, ensure that battery G
Charge and discharge, while the electric energy of generator 1 and battery G can also be made full use of, save the power consumption of load 4, and then subtracted
Few rack energy consumption.
Further, load 4 includes rack fan, rack lamp L2.
As shown in figure 3, the embodiment of second aspect of the present invention provides a kind of generator based on automotive engine test bench
Method for testing performance, detection method includes the following steps:
Step 10, pass through the engine start generator 1 on automotive engine test bench；
Step 20, the electric discharge electric signal of generator 1 is obtained；
Step 30, detection information is generated according to electric discharge electric signal, and via 3 pairs of detection letters of the display screen of rack monitoring system
Breath carries out display output；
Step 40, according to detection information judge generator 1 whether failure；
Wherein, loaded on automotive engine test bench, generator 1 fills on the engine, on automotive engine test bench engine
It is additionally provided with the rack monitoring system with display screen 3, Generator test element is electrically connected with generator 1, rack monitoring system and hair
The electrical connection of electric machines test element.
The detection method that the above embodiment of the present invention provides, is electrically connected to power generation for engine to be detected and generator 1
Machine performance detecting system, the electric discharge electric signal of Generator test element testing generator 1 simultaneously feed back to rack monitoring system, rack
Monitoring system generates detection information according to the electric discharge electric signal received, and display shows detection information, and more existing rack is surveyed
For judging whether generator 1 powers normally using indicator light L1 in examination, this programme supervises the electric discharge electric signal of generator 1 in real time
Display is controlled and digitized, the specific works performance of generator 1 is determined by the detection information of analysis generator 1, for example, by dividing
The voltage value of analysis generator 1 determines the stability of its output voltage, and staff judges whether generator 1 is former by detection information
Hinder and fault generator 1 is overhauled in time, effectively improves the yields of generator 1, and this programme records detection information
Backup, to prove that generator 1 dispatches from the factory preceding fault-free, after avoiding generator 1 from dispatching from the factory when something goes wrong manufacturers of engines not can from
Demonstrate,prove it is pure, to sum up, the generator performance detection system that this programme provides, simple structure and reasonable design, easy for installation, and
Can accurate judgement generator 1 whether failure, be conducive to the ex factory pass rate for improving generator 1.
Further, further comprising the steps of before step 10:
Step 88, storage battery power supply circuit is connected, so that the indicator light L1 on diode instruction circuit is lighted；
Step 10 specifically includes the following steps:
Step 11, pass through engine start generator 1；
Step 12, according to indicator light L1 issue signal determine generator 1 whether failure, wherein if indicator light L1 issue
Signal be persistently light, then judge that 1 failure of generator, alert simultaneously stop detecting, if indicator light L1 issue letter
Number to knock out after lighting, 20 are thened follow the steps；
Wherein, storage battery power supply circuit is equipped with battery G, and diode indicates that circuit is equipped with indicator light L1 and diode
D1, the both ends in diode instruction circuit are separately connected storage battery power supply circuit and generator 1, the corresponding power generation of the cathode of diode D1
The excitation end 6 of machine 1, the anode of the corresponding battery G of the anode of diode D1.
Further, it is additionally provided with the warning device being electrically connected with diode on diode instruction circuit, so that in two poles
When pipe forward direction is persistently powered, triggering warning device is sounded an alarm.
When battery G powers to the excitation end 6 of generator 1, indicator light L1 is lighted, and when generator 1 generates electricity after starting, is referred to
Show that lamp L1 is knocked out, if generator 1 break down and make generator 1 can not normal power generation when, circuit still keep by electric power storage
Pond G powers to generator 1, then indicator light L1 is lighted always, if indicator light L1 is persistently lighted, determines that generator 1 is faulty, nothing
The step of needing subsequent detection, reducing detection, so as to shorten the time of judgement, in this way, whether lighted by indicator light L1 can be with
Rapidly judge generator 1 whether failure, to improve the efficiency of detection.
Further, electric discharge electric signal includes discharge current signal and discharge voltage signal.In this way, staff is by dividing
Analyse generator 1 current value and voltage value come judge generator 1 whether failure, testing result is more acurrate, and staff can
To be conducive to subsequent maintenance by the failure cause of the more rapid determining generator 1 of voltage and current values detected.
In one particular embodiment of the present invention, as shown in Figures 1 to 4, generator performance detection system includes power generation
Machine testing element and rack monitoring system.
In detail, on the engine, engine is loaded on the generator performance based on automotive engine test bench for generator installation
In detection system, the excitation end 6 (end D+) of generator 1 is connected with the cathode of diode D1, the anode of diode D1 and electric power storage
The anode of pond G is connected, and the cathode output end 5 (end B+) of generator 1 is connected with the anode of battery G, in diode D1 and power generation
It is electrically connected with indicator light L1 between the excitation end 6 (end D+) of machine 1, first is electrically connected between battery G and diode D1 and is opened
SA6 is closed, first switch SA6 controls the on-off between battery G and generator 1, and first switch SA6 controls battery G and two
On-off between pole pipe D1.
Current divider B3 is also electrically connected between generator 1 and battery G, current divider B3 is electrically connected with voltage sensor B1
And the discharge current signal of current sensor B2, current sensor B2 detection generator 1, and the discharge current signal that will test is anti-
It is fed to electric current transmission channel, voltage sensor B1 detects the discharge voltage signal of generator 1, and the discharge voltage signal that will test
Voltage transmission channel is fed back to, rack monitoring system generates detection according to the discharge current signal and discharge voltage signal received
Information, and display output is carried out to detection information via display screen 3.
Before the engine is started, it is closed first switch SA6, battery G powers to generator 1 by diode D1, makes
The excitation end of generator 1 has an exciting current, while indicator light L1 is because there is electric current by lighting, according to alternative electric generation
The working principle of machine 1, exciting current can generate magnetic field after adjuster enters the inner rotator coil of generator 1, when starting
After machine starts, the crankshaft of engine drives generator 1 to start to rotate by belt, to generate rotating excitation field (excitation by rotor
Winding is passed through electric current), so that stator winding is done the movement of cutting magnetic induction line, to generate induced electromotive force, and defeated by rectifier
DC voltage out will be in the stable electricity of cathode output end 5 (end B+) and excitation end 6 (end D+) output 28V after generator 1 generates electricity
Pressure, at this moment due to the flow direction of electric current diode D1 negative sense, indicator light L1 can knock out, 1 cathode output end of generator, 5 (B+
End) it charges to battery G.
The voltage of generator 1 is introduced voltage sensor B1 and current sensor B2, voltage sensor by current divider B3 respectively
The voltage transmission for being respectively connected to rack monitoring system is transmitted same channel, realization pair with channel and electric current by B1 and current sensor B2
The real time monitoring and record of 1 generating voltage of generator and electric current.
Generator performance detection system further includes 4 and second switch SA of load, and load 4 includes fan and rack lamp L2,
Second switch SA and load 4 are electrically connected between first switch SA6 and battery G cathode, meanwhile, load 4 is additionally configured to and sends out
Motor 1 is electrically connected.
In 1 power generation process of generator, it is closed second switch SA, generator 1 can be realized to rack fan and rack lamp
The power supply of L2, wherein rack fan can carry out fan heat to control cabinet, and rack lamp L2 can play rack illuminating effect.It is generating electricity
When machine 1 does not work, it is closed first switch SA6 and second switch SA, realizes that battery G loads rack fan and rack lamp L2 etc.
4 power supply ensure that the charge and discharge of battery G.The power consumption that rack load 4 can also be saved in this way, reduces rack energy consumption.
Generator 1 is accessed rack in the power generation test process of generator 1 by 1 electricity generating principle of the present embodiment application generator
Test monitor system realizes real time monitoring and record to 1 electric signal of generator, while passing through battery G storage power generation electric energy,
It is used for rack load 4, reduces rack energy consumption, reach 1 performance detection of generator and the energy-efficient double effects of rack.
The generator performance detection system based on automotive engine test bench and detection side that the above embodiment of the present invention provides
Method, by engine loaded on automotive engine test bench, generator is electrically connected to Generator test element, the inspection of Generator test element
It surveys the electric discharge electric signal of generator and feeds back to rack monitoring system, rack monitoring system is raw according to the electric discharge electric signal received
At detection information, display shows detection information, utilizes indicator light to judge whether generator powers in more existing engine bench test
For normal, this programme monitors to the electric discharge electric signal of generator and digitizes display in real time, passes through the detection of analysis generator
Information determines the specific works performance of generator, for example, determining the stabilization of its output voltage by the voltage value of analysis generator
Property, staff by detection information judge generator whether failure and in time to fault generator overhaul, effectively improve power generation
The yields of machine, and this programme carries out record backup to detection information, to prove fault-free before generator dispatches from the factory, avoids generator
Manufacturers of engines can not prove one's own innocence when something goes wrong after factory, to sum up, the generator performance detection that this programme provides
System, it is simple structure and reasonable design, easy for installation, and can accurate judgement generator whether failure, be conducive to improve generator
Ex factory pass rate.
It should be understood by those skilled in the art that, the embodiment of the present invention can provide as method, system or computer program
Product.Therefore, complete hardware embodiment, complete software embodiment or reality combining software and hardware aspects can be used in the present invention
Apply the form of example.Moreover, it wherein includes the computer of computer usable program code that the present invention, which can be used in one or more,
The computer program implemented in usable storage medium (including but not limited to magnetic disk storage, CD-ROM, optical memory etc.) produces
The form of product.
The present invention be referring to according to the method for the embodiment of the present invention, the process of equipment (system) and computer program product
Figure and/or block diagram describe.It should be understood that every one stream in flowchart and/or the block diagram can be realized by computer program instructions
The combination of process and/or box in journey and/or box and flowchart and/or the block diagram.It can provide these computer programs
Instruct the processor of general purpose computer, special purpose computer, Embedded Processor or other programmable data processing devices to produce
A raw machine, so that being generated by the instruction that computer or the processor of other programmable data processing devices execute for real
The device for the function of being specified in present one or more flows of the flowchart and/or one or more blocks of the block diagram.
These computer program instructions, which may also be stored in, is able to guide computer or other programmable data processing devices with spy
Determine in the computer-readable memory that mode works, so that it includes referring to that instruction stored in the computer readable memory, which generates,
Enable the manufacture of device, the command device realize in one box of one or more flows of the flowchart and/or block diagram or
The function of being specified in multiple boxes.
These computer program instructions also can be loaded onto a computer or other programmable data processing device, so that counting
Series of operation steps are executed on calculation machine or other programmable devices to generate computer implemented processing, thus in computer or
The instruction executed on other programmable devices is provided for realizing in one or more flows of the flowchart and/or block diagram one
The step of function of being specified in a box or multiple boxes.
It should be noted that in the claims, any reference symbol between parentheses should not be configured to power
The limitation that benefit requires.Word "comprising" does not exclude the presence of component or step not listed in the claims.Before component
Word "a" or "an" does not exclude the presence of multiple such components.The present invention can be by means of including several different components
It hardware and is realized by means of properly programmed computer.In the unit claims listing several devices, these are filled
Several in setting, which can be, to be embodied by the same item of hardware.The use of word first, second, and third is not
Indicate any sequence.These words can be construed to title.
Although preferred embodiments of the present invention have been described, it is created once a person skilled in the art knows basic
Property concept, then additional changes and modifications may be made to these embodiments.So it includes excellent that the following claims are intended to be interpreted as
It selects embodiment and falls into all change and modification of the scope of the invention.
These are only the preferred embodiment of the present invention, is not intended to restrict the invention, for those skilled in the art
For member, the invention may be variously modified and varied.All within the spirits and principles of the present invention, it is made it is any modification,
Equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.
Claims (10)
1. a kind of generator performance detection system based on automotive engine test bench, including engine and generator to be tested, institute
Engine is stated loaded on automotive engine test bench, the generator is on the engine, which is characterized in that further include:
Generator test element, with the power generation mechatronics；
Rack monitoring system is electrically connected with the Generator test element, and the rack monitoring system is equipped with display screen；
The Generator test element is adapted for receiving the electric discharge electric signal of the generator, and by the received electric discharge telecommunications
Number feed back to the rack monitoring system；
The rack monitoring system is configured to the electric discharge electric signal fed back according to the Generator test element and generates inspection
Measurement information, and display output is carried out to the detection information via the display screen.
2. the generator performance detection system according to claim 1 based on automotive engine test bench, which is characterized in that
The Generator test element includes current sensor and voltage sensor, and the current sensor is adapted for described in detection
The discharge current signal of generator, the voltage sensor are adapted for detecting the discharge voltage signal of the generator, the electricity
Flow sensor and the voltage sensor are electrically connected with the rack monitoring system respectively.
3. the generator performance detection system according to claim 2 based on automotive engine test bench, which is characterized in that
The Generator test element further includes current divider, the current divider, the voltage sensor and generator series connection,
The potential end of the current divider connects the current sensor.
4. the generator performance detection system according to any one of claim 1 to 3 based on automotive engine test bench,
It is characterized in that,
Battery and first switch including storage battery power supply circuit and on the storage battery power supply circuit, described first
The connection and disconnection for controlling the storage battery power supply circuit are switched, the anode of the battery is corresponding to the generator just
Pole output end, the cathode of the battery correspond to the negative input of the generator.
5. the generator performance detection system according to claim 4 based on automotive engine test bench, which is characterized in that
Circuit and diode and indicator light on diode instruction circuit, the diode are indicated including diode
Indicate that the both ends in circuit are separately connected storage battery power supply circuit and the generator, the cathode of the diode corresponds to the power generation
The excitation end of machine, the battery and first switch are located at the phase in diode instruction circuit and the storage battery power supply circuit
At friendship between the negative input of the generator.
6. the generator performance detection system according to claim 4 based on automotive engine test bench, which is characterized in that also
Load and second switch including load supplying circuit and on load supplying circuit, the second switch are negative for controlling
The connection and disconnection of current supply circuit are carried, the anode and the generator of one end connection battery in the load supplying circuit are just
Pole output end, the cathode of the other end connection battery in the load supplying circuit and the negative input of the generator.
7. the generator performance detection system according to claim 6 based on automotive engine test bench, which is characterized in that
The load includes rack fan and/or rack lamp.
8. a kind of generator performance detection method based on automotive engine test bench, which is characterized in that the detection method includes
Following steps:
Step 10, pass through the engine start generator on automotive engine test bench；
Step 20, the electric discharge electric signal of generator is obtained；
Step 30, detection information is generated according to the electric discharge electric signal, and via the display screen of rack monitoring system to the inspection
Measurement information carries out display output；
Step 40, according to the detection information judge the generator whether failure；
Wherein, engine is loaded on automotive engine test bench, and the generator fills on the engine, the automotive engine test bench
On be additionally provided with the rack monitoring system with display screen, Generator test element and the power generation mechatronics, the rack monitoring
System is electrically connected with the Generator test element.
9. the generator performance detection method according to claim 8 based on automotive engine test bench, which is characterized in that
It is further comprising the steps of before the step 10:
Step 50, storage battery power supply circuit is connected, so that the indicator light on diode instruction circuit lights；
The step 10 specifically includes the following steps:
Step 11, pass through generator described in the engine start；
Step 12, according to the indicator light issue signal determine the generator whether failure, wherein if the indicator light send out
Signal out is persistently to light, then judges that the generator failure, alert simultaneously stop detecting, if the indicator light is sent out
Signal out is to knock out after lighting, and thens follow the steps 20；
Wherein, storage battery power supply circuit is equipped with battery, and diode indicates that circuit is equipped with indicator light and diode, two pole
The both ends in pipe instruction circuit are separately connected the storage battery power supply circuit and the generator, and the cathode of the diode corresponds to institute
The excitation end of generator is stated, the anode of the diode corresponds to the anode of the battery.
10. the generator performance detection method according to claim 8 based on automotive engine test bench, which is characterized in that
The electric discharge electric signal includes discharge current signal and discharge voltage signal.
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| CN201910614288.4A CN110221208B (en) | 2019-07-09 | 2019-07-09 | Generator performance detection system and method based on engine test bench |
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Cited By (1)
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| CN112399681A (en) * | 2020-11-30 | 2021-02-23 | 中国第一汽车股份有限公司 | Intelligent display system for bench test state and control method |
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| CN110221208B (en) | 2023-12-12 |
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